Accurate Angle Protractor

A protractor is a measuring instrument, typically made of transparent plastic or glass, for measuring angles.
A protractor is a handy tool used to measure and draw angles. Generally, semi-circular in shape, protractors are also available in full-circle, 360-degree versions. If one look at the object has you completely confused, never fear; learning to use the tool is simple. By understanding how the parts of a protractor are used together and following a few easy steps, you will be an angle expert in no time.
Features:
You can calculate level, slope, incline, gradient and angle.
It is easy to use.
After touching the screen you can measure the angle of the target.
Move to set red line to target.
You can measure the angle of geometry patterns.
You can see the object by camera view and measure the angle easy way.
It helps you measure the angle of everything conveniently and accurately.
How to use.
Approximate the measure of your angle. Angles can be classified in three ways: acute, obtuse, and right. Acute angles are narrow (less than 90 degrees), obtuse angles are wide (greater than 90 degrees), and right angles are exactly 90 degrees (two lines perpendicular to each other). You can easily identify by eye, the category of angle you are trying to measure. Doing this step first helps you identify which scale to use on the protractor.
Rotate the protractor to align one leg of the angle with the baseline. Maintain the vertex of the angle in the origin and gently rotate the protractor so that one of the legs of the angle falls on the baseline of the protractor.
Follow the opposite leg of the angle up to the measurements on the protractor's arc.
Find the degree of the angle you wish to draw on the protractor's appropriate scale